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Finding the Fourth Proportional to 692,462, 955,597.80 and 374,510

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Solution

The fourth proportional to 692,462, 955,597.80 and 374,510 is: 516,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,462 : 955,597.80 = 374,510 : x
  2. Step 2: Convert to fraction form
    692,462/955,597.80 = 374,510/x
  3. Step 3: Cross multiply
    692,462x = 955,597.80 × 374,510
  4. Step 4: Simplify right side
    692,462x = 357,880,932,078
  5. Step 5: Solve for x
    x = 357,880,932,078/692,462
  6. Step 6: Final answer
    x = 516,823.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.